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Hybrid vehicle

A vehicle and clutch technology, applied in hybrid vehicles, vehicle energy storage, vehicle components, etc., can solve problems such as cost increase, achieve cost reduction, achieve fuel consumption, and ensure output power

Inactive Publication Date: 2005-04-06
NISSAN DIESEL MOTOR CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, in the aforementioned hybrid vehicle, since the flywheel or the wheel etc. have to be made into a special structure in order to install the motor generator, the cost increases.

Method used

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Examples

Experimental program
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Embodiment Construction

[0015] Such as figure 1 As shown in , the power train of the vehicle is equipped with an engine 1 , a clutch 3 , and a manual transmission 4 . The output of the engine 1 is transmitted to the input shaft 41 of the transmission 4 by the clutch 3, and the rotation of the output shaft 42 of the transmission 4 is transmitted to the left and right wheels via a differential and a drive shaft from an unillustrated transmission shaft.

[0016] The engine 1 burns fuel supplied from a fuel injection pump 11 in a cylinder, and rotationally drives an output shaft 12 thereof via a piston reciprocating in the cylinder. The engine control unit 10 controls the fuel supply amount from the fuel injection pump 11 based on the detection signal of the engine rotation sensor 13 or the request information signal from the hybrid control unit 20 described later, and adjusts the generated output of the engine 1 .

[0017] The clutch 3 engages and disengages the engine output shaft 12 and the transmiss...

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PUM

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Abstract

A hybrid vehicle provided with an engine and a motor generator as a power source, comprises a clutch which automatically engages or disengages to cause or interrupt rotation transmission between the output shaft of the engine and the input shaft of a transmission, a power transmission mechanism which transmits power between the input / output shaft of the motor generator and the input shaft of the transmission, and a hybrid control unit which disengages the clutch according to running conditions and drives the motor generator. The clutch is disengaged according to running conditions, and the rotation speed of the motor generator is varied by the transmission to drive the vehicle. In this way, the region in which the motor generator operates efficiently is expanded, and the reduction of fuel consumption by the hybrid vehicle is enhanced.

Description

technical field [0001] The present invention relates to a hybrid vehicle equipped with an internal combustion engine and an electric motor as power sources. Background technique [0002] In a parallel-type hybrid vehicle in which the output shaft of the engine is connected to the motor generator, power is supplied to the motor generator as needed during acceleration to assist the output power of the engine, and on the other hand, fuel flow to the engine is stopped during deceleration or braking. supply, and make the motor generator work as a generator, and use the generated power for battery charging (refer to JP-A-10-295002, JP-10-252517, JP-8-275305). Also, in a series type hybrid vehicle, only the motor generator drives the wheels, and the engine drives only the generator (see JP-A-10-313505). [0003] In the aforementioned prior art parallel hybrid vehicle, the motor generator is always operated together with the engine, that is, the engine cannot be stopped and the veh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60K17/04B60K6/20B60K6/48B60K6/547B60L50/15B60L50/16B60W10/02B60W10/06B60W10/08B60W10/18B60W10/26B60W20/00F02D29/02
CPCB60K6/48B60W30/18127Y10S903/947Y02T10/70Y10S903/946Y02T10/6286B60W10/08B60W20/00B60W10/06B60W10/02Y02T10/7077Y02T10/6221B60L11/12Y10S903/903B60W2510/244B60L50/15Y02T10/62Y02T10/7072B60W20/40
Inventor 岡崎昭仁
Owner NISSAN DIESEL MOTOR CO
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